Job Number 180059

This is a grade 74, 18 size, 11 jewels, made about 1890. 

The secondary serial number stamps are quite crisp. Here is the stamp under the balance cock, with a 'D' prefix.

The case has its original papers inside, a sort of label for the case. You used to find cases that had case papers now and then. But I have not seen one for many years.